回形針有多少克重

回形針，又稱曲別針或書釘，是一種日常生活中常見的辦公用品，用於將紙張或布料暫時固定在一起。回形針的重量因其尺寸、形狀和材料而異。

一般來說，標準尺寸的回形針（長約 2.5 公分，寬約 1 公分）重量約為 0.2 克。較大的回形針（長約 3.5 公分，寬約 1.5 公分）重量約為 0.3 克。不同形狀的回形針，例如波浪形回形針或螺旋形回形針，重量也會有所不同。

回形針的材質也會影響其重量。常見的材質包括：

因此，回形針的重量範圍從 0.05 克到 0.3 克不等，具體取決於其尺寸、形狀和材質。

Dance Shoes for Woman Girls Ladies Latin Ballroom Modern Salsa Practise Dancing Shoes Closed Toe Square Dance Soft Rubber Sole
$210.53

New style Men's Latin Dance Shoes Ballroom Tango Man latin dancing Shoes For Man Boy Shoes Dance Sneaker Jazz Shoes For Kids
$93.81

Sneakers Dance Shoes For Women Flying Woven Mesh Comfortable Modern Jazz Dancing Shoes Girls Ladies Outdoor Sports Shoes
$116.84

New BD Dance Shoes 106 Women Ballroom Dance Fresh Tan Satin High Heel Ladies Waltz Tango Dance Shoes Soft Outsole Modern Dance
$65.0

Hot Sale BD Dance Women Latin Shoes BD216 Soft Satin Sandal Leather Sole Ladies Ballroom Dance Shoes High Heel Rhinestones
$65.0

Women's 2020 Brand Party Boots Women's Sexy stilettos High Heels Footwear Women Latin dance heels shoes Latin 2020 For Ballroom
$82.8

Latin Dance Shoes Full Rhinestone Sneakers BD 311 Girls Latin Dance Shoes Soft Bottom Adult SALSA Diamond Drill Ballroom Shoes
$69.96

Genuine Leather/Canvas Jazz Dance Shoes Tan Black Twin Gore Slip On Jazz Shoes Oversize Dance Sneakers For Girls Women
$195.0

Sexy New Comfortable salsa shoes latin dance shoes tango wedding & party shoes for women 628290NUPU Suede outsole low high heel
$27.88

CIDIPAI Satin Latin Dance Shoes For Women Soft Bottom Ballroom Dancing Shoes Women's Sandals Salsa Dance Shoes Heel 9cm
$427.2

New Girls Dance-Shoes Ballroom Latin Dance Shoes Soft Women Ladies Tango Jazz Practice Dance Shoes Salsa Sandal Dropshipping
$18.8

Brand New Latin Dance Shoes Men Modern Ballroom Tango Man Dance Shoes Black Color Teacher Shoes Salsa Practise
$150.65

2017 Brand New Women's Black Genuine Leather Ballroom/Tango/Salsa/Latin Dance Shoes High Heels Party Club Boots
$112.0

Salsa Dance Shoes Girl Ballroom Shoes For Women Latin Dance Shoes Square Dance Shoes Latin Shoes Rhinestone JuseDanc
$53.98

Women's dance training shoes professional teacher Latin dance shoes Indoor Outdoor square jazz ballroom dance shoes women
$159.46

Practice OEM Latin Dance Boots Women Various Colored Soft Latin Salsa Ballroom Party Dancing Shoes Sport Flat Dance Boots Shoes
$105.0

2023 New Sexy Trend Stilettos Jazz Dance Female Shoes Ballroom Suede Sole Customizable Latin Dancing Sexy Stilettos Booties
$21.94

Women Party Dance Shoes Satin Shining Rhinestones Outdoor/Ballroom Latin Dance Shoes Woman Salsa Dance Shoes Custom High Heels
$408.06

New Latin Dance Shoes EU 24-41 Children Girls Women's Tango Low Heels Dance Ladies Jazz Dance Shoes
$61.32

TOP Dance Shoes Men's Latin Snakeskin Ballroom Heels 4.5 Lace High-end Dedicated Salsa FREE BAG Breathable Oxford Cloth Canvas
$42.4

回形針有多少克重？